Home / 127,271.10-190,906.65-100,832.70

Finding the Fourth Proportional to 127,271.10, 190,906.65 and 100,832.70

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Solution

The fourth proportional to 127,271.10, 190,906.65 and 100,832.70 is: 151,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.10 : 190,906.65 = 100,832.70 : x
  2. Step 2: Convert to fraction form
    127,271.10/190,906.65 = 100,832.70/x
  3. Step 3: Cross multiply
    127,271.10x = 190,906.65 × 100,832.70
  4. Step 4: Simplify right side
    127,271.10x = 19,249,632,967.46
  5. Step 5: Solve for x
    x = 19,249,632,967.46/127,271.10
  6. Step 6: Final answer
    x = 151,249.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.